package xiaohong.list;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description:
 * @auther xiaohong
 * @date 2025-07-02
 */
public class HashMapTest {


    public static void main(String[] args) {
        Map<String , String> map = new HashMap<>();
        map.put("1", "1");
        System.out.println(map);
        map.put("2", "2");
        System.out.println(map);
    }

}
